The worm has spread rapidly despite its reliance on an attachment that must be downloaded and launched by a user. Sobig is a mass-mailing worm incorporating its own SMTP engine, according to antivirus companies.
These flaws are related to three network protocols that are not generally activated on Windows computers: Simple Mail Transfer Protocol (SMTP), Network News Transfer Protocol (NNTP), and Network Dynamic Data Exchange (NetDDE).
Patches can be downloaded from the Microsoft website. Network administrators who have failed to patch their systems against the Microsoft Windows Internet Naming Service (WINS) vulnerability are now at much greater risk of attack.
Because of this, most organisations filter incoming and outgoing email to check for nasty stuff going either way and make sure their employees behave themselves. Some of these vendors are now extending their services to filter content that arrives...
Security Update 2006-001, can be downloaded and installed via the Software Update feature in Mac OS X or from Apple Downloads. The set of patches addresses a variety of security flaws, including several that could let an attacker gain control over...
Apple this week issued a security update for OS X which addresses some of the concerns raised by the recent threats (available via Software Update or the Apple website). The majority of OS X users are not logged in as 'true' administrators by...